NumPy 2.3.3 Release Notes

The NumPy 2.3.3 release is a patch release split between a number of maintenance
updates and bug fixes. This release supports Python versions 3.11-3.14. Note
that the 3.14.0 final is currently expected in Oct, 2025. This release is based
on 3.14.0rc2.

Contributors

A total of 13 people contributed to this release. People with a "+" by their
names contributed a patch for the first time.

• Aleksandr A. Voyt +
• Bernard Roesler +
• Charles Harris
• Hunter Hogan +
• Joren Hammudoglu
• Maanas Arora
• Matti Picus
• Nathan Goldbaum
• Raghuveer Devulapalli
• Sanjay Kumar Sakamuri Kamalakar +
• Tobias Markus +
• Warren Weckesser
• Zebreus +

Pull requests merged

A total of 23 pull requests were merged for this release.

• #29440: MAINT: Prepare 2.3.x for further development.
• #29446: BUG: Fix test_configtool_pkgconfigdir to resolve PKG_CONFIG_DIR...
• #29447: BLD: allow targeting webassembly without emscripten
• #29460: MAINT: Backport write_release.py
• #29473: MAINT: Bump pypa/cibuildwheel from 3.1.0 to 3.1.2
• #29500: BUG: Always return a real dtype from linalg.cond (gh-18304) (#29333)
• #29501: MAINT: Add .file entry to all .s SVML files
• #29556: BUG: Casting from one timedelta64 to another didn't handle NAT.
• #29562: BLD: update vendored Meson to 1.8.3 [wheel build]
• #29563: BUG: Fix metadata not roundtripping when pickling datetime (#29555)
• #29587: TST: update link and version for Intel SDE download
• #29593: TYP: add sorted kwarg to unique
• #29672: MAINT: Update pythoncapi-compat from main.
• #29673: MAINT: Update cibuildwheel.
• #29674: MAINT: Fix typo in wheels.yml
• #29683: BUG, BLD: Correct regex for ppc64 VSX3/VSX4 feature detection
• #29684: TYP: ndarray.fill() takes no keyword arguments
• #29685: BUG: avoid thread-unsafe refcount check in temp elision
• #29687: CI: replace comment-hider action in mypy_primer workflow
• #29689: BLD: Add missing <unordered_map> include
• #29691: BUG: use correct input dtype in flatiter assignment
• #29700: TYP: fix np.bool method declarations
• #29701: BUG: Correct ambiguous logic for s390x CPU feature detection